static

1. public class static1 {

       static int age;

       static{

           age =18;

           System.out.println("this is static keyword ");

           System.out.println(age);

       }

       public static void main(String[] args) {

           System.out.println("and this is  under in main method");

          

       }

      

   }
2. //static kyword and non static member on class

   class Rakesh{

   static int age;

   static String Name ;

   int age1;

   String Name2;

   static{

       System.out.println("static keyword");

       age =10;

       Name = "Rakesh";

   }

   {

       System.out.println("none static keyword");

       age1=20;

       Name2 ="Rahul";

   }

   static void show(){

      

       System.out.println(age);

       System.out.println(Name);

   }

   void show1(){

       System.out.println(age1);

       System.out.println(Name2);

   }

   
   
   

   }

   public class static2 {

       public static void main(String[] args) {

       Rakesh obj =new Rakesh();

   
   

       //if you focous here static object execute without crating a object but normal blocked use new object

           Rakesh.show();

           obj.show1();

   
   

          

       }

   }
3. import java.util.Scanner;

   
   

   class Shopkeeper {

   
   

       private static float saltRate;

       private static float kurkureRate;

       private static float mixtureRate;

       private static float sugarRate;

   
   

       private static float saltQuantity;

       private static float kurkureQuantity;

       private static float mixtureQuantity;

       private static float sugarQuantity;

   
   

       static {

          

           saltRate = 10;

           kurkureRate = 5;

           mixtureRate = 5;

           sugarRate = 40;

   
   

           saltQuantity = 0;

           kurkureQuantity = 0;

           mixtureQuantity = 0;

           sugarQuantity = 0;

       }

   
   

       static void input() {

           Scanner sc = new Scanner(System.in);

           System.out.println("Enter quantity of products:");

           saltQuantity = sc.nextFloat();

           kurkureQuantity = sc.nextFloat();

           mixtureQuantity = sc.nextFloat();

           sugarQuantity = sc.nextFloat();

           sc.close();

       }

   
   

       static void compute() {

           System.out.println("this rate for per kg and per pices");

           float totalValue = (saltRate * saltQuantity) + (kurkureRate * kurkureQuantity)

                   + (mixtureRate * mixtureQuantity) + (sugarRate * sugarQuantity);

   
   

           System.out.println("Total value of all products: " + totalValue);

       }

   }

   
   

   public class static3 {

       public static void main(String[] args) {

           Shopkeeper.input();

           Shopkeeper.compute();

       }

   }
4. //static vs none static

   class chek {

       static int a;

       static int b;

       static {

           System.out.println("this is static element");

           a = 400;

           b = 20;

       }

       int m;

       int n;

       {

           System.out.println("this is none static element");

           m = 10;

           n = 12;

       }

   
   

   }

   
   

   public class static4 {

       public static void main(String[] args) {

           chek p = new chek();

           chek q = new chek();

           System.out.println(p.m);

           System.out.println(q.m);

           System.out.println(chek.a);

   
   

       }

   
   

   }
5. 
   

   class st {

       static void disp() {

           System.out.println("this is static methode");

   
   

       }

   
   

       void disp1() {

           System.out.println("this is none static methode");

       }

   }

   
   

   public class static5 {

       public static void main(String[] args) {

           // if here static methode call beacause object creation

           st.disp();

           st obj = new st();

           // this is none static methode call using object creation

           obj.disp1();

           // and one thing care fully remember static can be use with object creation but

           // this is not good practice

           obj.disp();

   
   

       }

   }